Religious beliefs: Williams held unorthodox religious views that differed from the strict Calvinist doctrines of the Puritans. He questioned the authority of civil magistrates in religious matters and advocated for a separation of church and state. His insistence on religious freedom, including tolerance of other religions, went against the Puritans' goal of establishing a unified religious community.
Civil authority and religious dissent: Williams argued that civil magistrates should not have the authority to punish religious dissenters, believing that individuals should answer only to God for their spiritual beliefs. This challenged the Puritans' belief that the government had a duty to enforce religious orthodoxy and maintain a cohesive religious society.
Questioning the land title of the colony: Williams questioned the legitimacy of the Massachusetts Bay Colony's claim to the land, arguing that it had not properly acquired the land from the Native Americans. This challenged the colony's legal basis and authority, which was based on royal charters and agreements with Native tribes.
Promoting religious tolerance: Williams believed that all religious groups should be tolerated and allowed to coexist peacefully, even if their beliefs differed from those of the dominant Puritan establishment. This view directly challenged the Puritans' desire for religious homogeneity and their attempts to suppress dissenting religious practices.
Support for Native American rights: Williams advocated for the rights of Native Americans and promoted a more peaceful and respectful relationship between the colonists and the indigenous tribes. He criticized the Puritans' treatment of Native Americans, especially their efforts to convert them to Christianity and their dispossession of Native lands.
Establishing a rival settlement: After his banishment from the Massachusetts Bay Colony, Williams founded the settlement of Providence in 1636. This new colony attracted other dissenters and became a refuge for those who sought religious freedom. The establishment of Providence challenged the Puritans' authority and demonstrated the viability of a pluralistic, tolerant society based on religious freedom.
These actions and beliefs of Roger Williams directly conflicted with the Puritan leaders' vision of a unified, religiously homogeneous colony where the government enforced religious orthodoxy. As a result, he was perceived as a threat to their religious and political authority, leading to his banishment and the establishment of Providence as a haven for religious dissenters.